Description
The gems are more rare than diamond and are also better. The gems in the mod are the sapphires, rubies and tanzanites.
Stats of the tools:
Durability
Tanzanite 1800
Ruby 1900
Sapphire 2000
Efficiency (diamond is 8 and gold is 10)
Tanzanite 10
Ruby 11
Sapphire 12
Attack damage of swords (diamond is 7)
Tanzanitee 7.2
Ruby 7.4
Sapphire 7.6


